Implement top_level_menu toggle (#45)

Closes #42
Based on @erichester76's https://github.com/ICTU/netbox_slm/pull/44

Signed-off-by: wkoot <3715211+wkoot@users.noreply.github.com>
Co-authored-by: Eric Hester <eric.hester@umbrella.tech>

ci/configuration/configuration.py

@@ -206,6 +206,9 @@ PLUGINS = ['netbox_slm']
 # Plugins configuration settings. These settings are used by various plugins that the user may have installed.
 # Each key in the dictionary is the name of an installed plugin and its value is a dictionary of settings.
 PLUGINS_CONFIG = {
+    "netbox_slm": {
+        "top_level_menu": True
+    },
 }
 
 # When determining the primary IP address for a device, IPv6 is preferred over IPv4 by default. Set this to True to

netbox_slm/navigation.py

@@ -1,6 +1,9 @@
-from netbox.plugins import PluginMenuButton, PluginMenuItem
+from django.conf import settings
 
-menu_items = (
+from netbox.plugins import PluginMenuButton, PluginMenuItem, PluginMenu
+from . import SLMConfig
+
+slm_items = (
     PluginMenuItem(
         link="plugins:netbox_slm:softwareproduct_list",
         link_text="Software Products",
@@ -54,3 +57,12 @@ menu_items = (
         ),
     ),
 )
+
+if settings.PLUGINS_CONFIG["netbox_slm"].get("top_level_menu") is True:
+    menu = PluginMenu(
+        label="Software Lifecycle",
+        groups=((SLMConfig.verbose_name, slm_items),),
+        icon_class="mdi mdi-content-save",
+    )
+else:
+    menu_items = slm_items